At least six infants have died from hypothermia in the last two weeks in Gaza, where hundreds of thousands of people are living in tent camps and war-damaged buildings during a fragile ceasefire, Palestinian medics said.

Pope Francis remained in a critical but stable condition on Tuesday, with his blood parameters remaining stable as he works from hospital while being treated for double pneumonia, the Vatican said.

The White House has said its officials "will decide" which news outlets can regularly cover US President Donald Trump - a sharp break from a century of tradition in which a pool of independently chosen news organisations go where the president does and hold him accountable on behalf of Americans.

An unknown illness first discovered in three children who ate a bat has rapidly killed more than 50 people in the northwest of the Democratic Republic of the Congo (DRC) over the past five weeks, health experts say.